Compilation of canon law made by Raymond of Peñafort by order of Pope Gregory IX, with gloss by Bernardo Bottoni, concerning
jurisdiction, civil legal processes, clerics and regulars, marriage, and criminal procedure.

Layout: Main text written in two columns of 39 lines, surrounded by two columns of gloss of varying length.

Script: Written in a gothic bookhand with the glossing script smaller and slightly less formal; annotations in a 14th-century
English hand which also added cadels (as on f. 2-21, for example).

Decoration: Four penwork title panels and five large flourished initials (f. 3, 88, 158, 241, 262, no penwork panel on f.
241) in red and blue at the opening of the five books; two diagrams in red and black concerning consanguinity and affinity
(f. 261v, 262r); running heading of book number in alternate letters of red and blue, paragraph marks in red and blue, one-line
initials in red or blue stroked red, two-line initials of blue flourished red; small informal drawings of pointing hands,
faces, or animals; some lightly glossed pages have gloss formed in patterns (as on f. 48r, 58r, 246r, 255v).

Binding: 18th-century half calf, spine in six compartments is gilt tooled but very worn (Fogg).